Engineering Blog

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Engineering

Deep technical guides on AI gateway architecture, LLM failover strategies, cost containment patterns, and sovereign deployment — written for AI engineers and platform teams.

OllamaFailoverEnterpriseLocal AI

Ollama Failover Routing for Enterprise: A Definitive Guide

Learn how to configure robust failover routing using Ollama and Selixes AI Gateway. Ensure your enterprise LLM applications remain online even during primary cloud provider outages.

July 7, 2026·6 min readRead article ->
AI GatewayEnterpriseVPCOpen Source

Best Open-Source AI Gateway for Enterprise VPC Deployments

A comprehensive guide to deploying a self-hosted, open-source AI gateway inside an enterprise VPC. Learn how to secure LLM traffic, enforce data sovereignty, and manage keys on-premise.

June 26, 2026·8 min readRead article ->
FailoverArchitectureOpenAI

How to Implement Zero-Downtime LLM Failover for OpenAI and Anthropic

Learn how to architect a zero-downtime LLM failover system. Prevent OpenAI 503 errors and API timeouts from crashing your AI application using intelligent circuit breakers.

June 18, 2026·9 min readRead article ->
Cost ControlAI AgentsBudget

Stopping Runaway LLM Costs: Agentic Loops and Token Arbitrage

Recursive AI agent loops can drain cloud budgets overnight. Learn how to use AI gateway rate limiting, token budget caps, and token arbitrage to control LLM costs.

June 10, 2026·7 min readRead article ->
Data SovereigntyGDPRComplianceSecurity

GDPR & Sovereign AI: Why You Need a Self-Hosted LLM Proxy

Understanding the GDPR compliance challenges of using public LLMs. Discover how a self-hosted, sovereign AI proxy helps EU companies maintain data privacy and pass compliance audits.

June 2, 2026·10 min readRead article ->
Rate LimitsMulti-LLMHigh AvailabilityAPI Gateway

Mitigating Upstream Rate Limits (HTTP 429) at Scale in Multi-LLM Deployments

Upstream rate limits and token-per-minute (TPM) caps are common bottlenecks in high-volume AI applications. Learn how to design a multi-provider fallback strategy to scale beyond vendor limits.

June 29, 2026·9 min readRead article ->
SecurityPII MaskingPrompt InjectionCompliance

Edge-Proxy Security: Preventing Prompt Injections and PII Leaks for Enterprise AI

Deploying LLMs in enterprise settings requires strict compliance. Discover how edge proxies scan prompts in real-time to redact PII and block malicious prompt injections before they reach cloud APIs.

June 22, 2026·11 min readRead article ->
Cost ControlCachingSemantic CacheRedis

Reducing LLM Bills: Architecting High-Performance Semantic Caching

Standard exact-match caching is ineffective for natural language. Learn how semantic caching uses vector embeddings to match similar prompts, reducing API latencies and token costs.

June 15, 2026·8 min readRead article ->